/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "adc.h"
#include "i2c.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <string.h>
#include <stdio.h>
#include "dht11.h"
#include "light_sensor.h"
#include "oled.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
#define DEVICE_ID "chenzihao"    //定义设备ID，用来唯一的标识当前设备
/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
volatile char cmd;
extern uint8_t data[5];
uint8_t count0[2];
volatile int8_t m = 0;
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */


	float SHT30_ConvertTemp(uint8_t msb, uint8_t lsb) 
	{
		// 1. 将两个字节组合成一个16位无符号整数
		uint16_t raw_value = (msb << 8) | lsb;
		// 2. 应用SHT30数据手册中提供的转换公式
		float temperature = -45.0f + 175.0f * ((float)raw_value / 65535.0f);
		return temperature;
	}

	float SHT30_ConvertHumidity(uint8_t msb, uint8_t lsb)
	{
		// 1. 将两个字节组合成一个16位无符号整数
		uint16_t raw_value = (msb << 8) | lsb;
		// 2. 应用SHT30数据手册中提供的转换公式
		float humidity = 100.0f * ((float)raw_value / 65535.0f);
		return humidity;
		void OLED_ShowTEmp(u8 x, u8 y);
		void OLED_ShowHUm(u8 x, u8 y);
		void OLED_ShowTIttle(u8 x, u8 y);
	}

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
extern char chen[][16];

extern unsigned char Picture1[];
extern unsigned char Picture2[];
extern unsigned char Picture3[];
extern unsigned char Picture4[];
extern unsigned char Picture5[];
extern unsigned char Picture6[];
extern unsigned char Picture7[];
extern unsigned char Picture8[];
extern unsigned char Picture9[];
//extern unsigned char Picture10[];
//extern unsigned char Picture11[];
//extern unsigned char Picture12[];
//extern unsigned char Picture13[];
//extern unsigned char Picture14[];
//extern unsigned char Picture15[];
//extern unsigned char Picture16[];
//extern unsigned char Picture17[];
//extern unsigned char Picture18[];
//extern unsigned char Picture19[];
//extern unsigned char Picture20[];

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_TIM2_Init();
  MX_USART1_UART_Init();
  MX_USART2_UART_Init();
  MX_TIM3_Init();
  MX_ADC1_Init();
  MX_I2C1_Init();
  /* USER CODE BEGIN 2 */
  
    OLED_Init();   // OLED 初始化
	OLED_Clear();  // OLED 清屏
  
  	for(int i = 0; i < 10; i++)
	{

		OLED_ShowPicture(Picture1);
		OLED_ShowPicture(Picture2);
		OLED_ShowPicture(Picture3);
		OLED_ShowPicture(Picture4);
		OLED_ShowPicture(Picture5);
		OLED_ShowPicture(Picture6);
		OLED_ShowPicture(Picture7);
		OLED_ShowPicture(Picture8);
		OLED_ShowPicture(Picture9);
//		OLED_ShowPicture(Picture10);
//		OLED_ShowPicture(Picture11);
//		OLED_ShowPicture(Picture12);
//		OLED_ShowPicture(Picture13);
//		OLED_ShowPicture(Picture14);
//		OLED_ShowPicture(Picture15);
//		OLED_ShowPicture(Picture16);
//		OLED_ShowPicture(Picture17);
//		OLED_ShowPicture(Picture16);
//		OLED_ShowPicture(Picture15);
//		OLED_ShowPicture(Picture14);
//		OLED_ShowPicture(Picture13);
//		OLED_ShowPicture(Picture12);
//		OLED_ShowPicture(Picture11);
//		OLED_ShowPicture(Picture10);
//		OLED_ShowPicture(Picture9);
		OLED_ShowPicture(Picture8);
		OLED_ShowPicture(Picture7);
		OLED_ShowPicture(Picture6);
		OLED_ShowPicture(Picture5);
		OLED_ShowPicture(Picture4);
		OLED_ShowPicture(Picture3);
		OLED_ShowPicture(Picture2);
		OLED_ShowPicture(Picture1);

	}
	OLED_Clear();  //OLED 清屏
	
	// ADC 校准
    HAL_ADCEx_Calibration_Start(&hadc1);  //建议每次上电后校准一次
  
  //用中断的方式接受一个数据（串口2）
//HAL_UART_Receive_IT(&huart1, (uint8_t*)&cmd, sizeof(cmd));
HAL_UART_Receive_IT(&huart2, (uint8_t*)&cmd, sizeof(cmd));
	//时钟3中断（用来显示数码管）
HAL_TIM_Base_Start_IT(&htim3);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  char s[100];
  float temp;
  uint8_t humi;
  uint32_t light;
	
		//sht30参数
		char th[17];	//温度上传云端暂存数组
		uint16_t cnt = 0;
		char humi_str[17];    // 用于湿度字符串
		float humidity_rh;		//湿度数据
		float temperature_c;	//温度数据
		
  while (1)
  {
	    uint8_t start_cmd[2] = {0x2C, 0x06};
		HAL_I2C_Master_Transmit(&hi2c1, (0x44 << 1), start_cmd, 2, 100);
		HAL_Delay(10); 		// 等待测量完成
		
	    uint8_t rx_data[6] = {0};
	  
	  if(cnt %120 == 0)
	  {

		if (HAL_I2C_Master_Receive(&hi2c1, (0x44 << 1) | 1, rx_data, 6, 100) == HAL_OK)
        {
			OLED_ShowTEmp(0, 2);
			OLED_ShowHUm(0, 4);
			OLED_ShowTIttle(90, 2);
			
            // 调用转换函数，传入从SHT30读取的正确字节
            temperature_c = SHT30_ConvertTemp(rx_data[0], rx_data[1]);
			
            // 将浮点数温度格式化为字符串并显示
            sprintf(th, ": %.2f", temperature_c);
            OLED_ShowString(32, 2, (uint8_t*)th, 16);
			
			 // 转换并显示湿度
            humidity_rh = SHT30_ConvertHumidity(rx_data[3], rx_data[4]);
            sprintf(humi_str, ": %.1f %%RH", humidity_rh);
            OLED_ShowString(32, 4, (uint8_t*)humi_str, 16);
        }
	  }
	  HAL_Delay(10);
	  cnt += 10;
			sprintf(s, "%s/sensor/sht30 %.2f_%.1f\n",DEVICE_ID, temperature_c, humidity_rh);
		  //将采集到的温湿度数据上传到云端平台
		   HAL_UART_Transmit(&huart2, (uint8_t*)s, strlen(s), 1000);
	  
	 
	  if(DHT11_Get(&temp, &humi) == 0)
	  {
		  count0[0] = (data[0] / 10) % 10;
		  count0[1] = data[0] % 10;
		  HAL_Delay(1000);
		  count0[0] = (data[2] / 10) % 10;
		  count0[1] = data[2] % 10;
		  
//	  sprintf(s, "%s/sensor/dht11 %.1f_%u\n",DEVICE_ID, temp, humi);
//		  //将采集到的温湿度数据上传到云端平台
//		   HAL_UART_Transmit(&huart2, (uint8_t*)s, strlen(s), 1000);
	  }
	  
	  //上传光照传感器数据（ADC）
	  light = Light_Sensor_Get();
	   sprintf(s, "%s/sensor/light %u\n",DEVICE_ID, 4095 - light);
		   HAL_UART_Transmit(&huart2, (uint8_t*)s, strlen(s), 1000);
	  
	  //上传 LED 状态
	  sprintf(s, "%s/state/led %d\n",DEVICE_ID, (int)HAL_GPIO_ReadPin(GPIOC, GPIO_PIN_1));
	  HAL_UART_Transmit(&huart2, (uint8_t*)s, strlen(s), 1000);
	  
	  //上传 蜂鸣器 状态
	  sprintf(s, "%s/state/beep %d\n",DEVICE_ID, (int)HAL_GPIO_ReadPin(GPIOC, GPIO_PIN_7));
	  HAL_UART_Transmit(&huart2, (uint8_t*)s, strlen(s), 1000);
	  
	  //上传声音传感器状态
	  sprintf(s, "%s/state/sound %d\n",DEVICE_ID, !(int)HAL_GPIO_ReadPin(GPIOC, GPIO_PIN_4));
	  HAL_UART_Transmit(&huart2, (uint8_t*)s, strlen(s), 1000);
	  
	  //人体红外射线检测
	  sprintf(s, "%s/state/body %d\n",DEVICE_ID, (int)HAL_GPIO_ReadPin(GPIOC, GPIO_PIN_5));
	  HAL_UART_Transmit(&huart2, (uint8_t*)s, strlen(s), 1000);
	  
	  // 上传教室电灯状态
		sprintf(s, "%s/state/lamp %d\n", DEVICE_ID, (int)HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_4));
		HAL_UART_Transmit(&huart2, (uint8_t*)s, strlen(s), 1000);	
//	  if(HAL_GPIO_ReadPin(GPIOC, GPIO_PIN_5) == GPIO_PIN_SET)
//		  HAL_GPIO_WritePin(GPIOC, GPIO_PIN_7, GPIO_PIN_SET);
//	  else
//		  HAL_GPIO_WritePin(GPIOC, GPIO_PIN_7, GPIO_PIN_RESET);
	 // HAL_Delay(500);
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
  PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
	if(huart == &huart2)
	{
		//光照
		if(cmd == 'a')
			HAL_GPIO_WritePin(GPIOC, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3, GPIO_PIN_SET);
		else if(cmd == 'b')
			HAL_GPIO_WritePin(GPIOC, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3, GPIO_PIN_RESET);
		//蜂鸣器
		else if(cmd == 'c')
			HAL_GPIO_WritePin(GPIOC, GPIO_PIN_7, GPIO_PIN_SET);
		else if(cmd == 'd')
			HAL_GPIO_WritePin(GPIOC, GPIO_PIN_7, GPIO_PIN_RESET);
		//教室灯
		else if(cmd == 'e')
			HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
		else if(cmd == 'f')
			HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_RESET);
		//用中断的方式接受一个字节的数据
		HAL_UART_Receive_IT(huart, (uint8_t*)&cmd, sizeof(cmd));
	}
}
/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
